
Unit 3  Objective 4  Graphs of y = tan x, y = cot x, y = sec x, and y = csc x
Quick Review
Example 1
The graph for y = tan x

period =
asymptotes ... ... 
The graph approaches the vertical asymptote but never touches it.
Example 2
The graph for y = cot x

period =
asymptotes ... ... 
Example 3
The graph for y = sec x

period = 2
asymptotes ... ... 
Example 4
The graph for y = csc x

period = 2
asymptotes ... ... 
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